- disallow numeric servname if ai_socktype cannot be singled out. - disallow servname for raw socket.
- disallow numeric servname if ai_socktype cannot be singled out.
- disallow servname for raw socket.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame